1. I've had my own car for four years.
2. You are here for two hours?
3. They have been at the hotel for a week.
4. We have taught at this school for a long time.
5. She has lived here for twenty years.
1. She has bine ill since yesterday.
2. Alice has been maried since March 2nd.
3. They made a promise since 2 o'clock.
4. I have worked here since 1990.
5. He had a girlfriend since last week.